While your Lennox® heating system cannot chat with you, it does have a process to get your attention when there’s a furnace error.

Its control panel has two LED lights that can share a fault code. Depending on the failure, your heater might use steady or flashing lights.

Though there are a few simple HVAC adjustments you can take care of without an expert, most fixes are best left to HVAC technicians. When your heating system refuses to turn on or provide warmth, call Siloam Springs Heating & AC at 479-308-8176 for experienced furnace repair in Siloam Springs.

Our specialists will speedily discover and fix the problem, even if you don’t have a Lennox heating system. We can service any brands or makes—and get the heat returned to your home quickly.

What Does the Flickering Light on My Heating System Mean?

Your furnace relies on lights to flash code when it isn’t working right. It also uses this setup to relay it’s heating properly.

Correct heating includes:

  • Concurrent slow flash—heater heating properly.
  • Simultaneous fast flash—heater is beginning to call for heat.

If you realize that a solitary light going on and off slowly and the other flashing rapidly, your heating system may be having a low flame signal. This can take place even when your heating system is working properly. It indicates the flame sensing rod could be dirty or in the bad area on the burner. Reach out to us at 479-308-8176 for support.

Here are a few other of the most typical errors for Lennox furnaces.

Heater Won’t Start

Here are many of the light sequences you might notice when your heating system won’t turn on or keep heating. The majority of these errors have to be fixed by a technician, for instance from Siloam Springs Heating & AC.

  1. The duo of LED lights are extinguished. This signifies your HVAC system might not have electricity. Look at the breaker box to confirm the heating system fuse has not flipped. You should reset the fuse if it’s in the “off” position. If it instantly flips following a reset, don’t touch the breaker and call us at 479-308-8176.
  2. An individual light is continuous and the other is blinking slowly. This implies the flame rollout switch is likely open. The component is an essential safety guard that assists in avoiding fires and carbon monoxide. You shouldn’t attempt to repair this problem yourself.
  3. An individual light is blinking rapidly and the other is flashing slowly. This typically indicates power polarity has been inverted. Your heater may have a wiring issue that needs specialized support from Siloam Springs Heating & AC.
  4. Both lights are flashing slowly. This signifies your furnace’s blower motor possibly isn’t running. This part distributes warm air from the heating system into your home. We can aid in pinpointing what’s causing an issue with this component.
  5. A single light is flashing slowly and the other is blinking quickly. This means your heater could have not enough voltage or a short circuit. Contact our technicians at 479-308-8176 for help.
  6. One light is flickering on, on, off while the other flashes on, off, on. This indicates there could be an issue with your HVAC system’s motherboard or wiring. Siloam Springs Heating & AC can find the problem and take care of it.
  7. Both lights are using alternating slow flickers. This signifies your HVAC system may have a flame issue. There might be trouble with its gas supply, gas valve or ignitor control. Call us at 479-308-8176 for help.
  8. An individual light flickers slowly while the other is solid. This typically indicates your HVAC system’s limit switch is not working. The switch stops your HVAC system from becoming too warm. Reach out to the specialists at Siloam Springs Heating & AC for assistance.

Furnace Blower Works But No Warmth

Here’s what may be broken when you notice your heating system’s blower fan running, but you aren’t receiving any warm air.

  • The duo of lights display every other fast flashes. This indicates your furnace ignitor may be broken. This part ignites energy in your heater to create warm air and should be serviced by a specialist from Siloam Springs Heating & AC.

Turn to Us for Expert Furnace Repair

When you have to have your heating system fixed fast, trust the specialists at Siloam Springs Heating & AC. Our techs will fix the issue without delay and have your rooms feeling relaxing again soon. Reach out to us at 479-308-8176 or contact us online to get an appointment now.